Answer this question truthfully
### Question: Who is at highest risk for Pulmonary embolism ?
### Response: Certain conditions carry a significantly increased risk of pulmonary embolism. These conditions are:
Thrombophilias are a group of conditions in which blood has an increased tendency to clot. Thrombophilias can be inherited or acquired. Acquired thrombophilias occur in association with other medical conditions such as polycythemia vera or antiphospholipid Antibody Syndrome.
These are other conditions which also increase one's risk of having a PE: Pregnancy Obesity Smoking Cancer Heart failure Previous PE Medications such as oral contraceptive pills, tamoxifen, and hormone replacement therapy.